add inspect helper since that was removed from handlebars-helpers

package.json

@@ -56,6 +56,7 @@
     "grunt-verb": "^0.2.4",
     "handlebars-helper-eachitems": "^0.1.2",
     "relative": "^0.1.4",
+    "sort-object": "^3.0.2",
     "time-grunt": "^0.3.2"
   },
   "keywords": [

test/helpers/logging.js

@@ -0,0 +1,47 @@
+/**
+ * Assemble <http://assemble.io>
+ *
+ * Copyright (c) 2014-2017, Jon Schlinkert, Brian Woodward, contributors.
+ * Licensed under the MIT License (MIT).
+ */
+
+var sort  = require('sort-object');
+
+module.exports.register = function (Handlebars) {
+  'use strict';
+
+  Handlebars.registerHelper('inspect', function(context, options) {
+    var hash = options.hash || {};
+    var ext = hash.ext || '.html';
+    context = JSON.stringify(sort(context), null, 2);
+
+    // Wrap the returned JSON in either markdown code fences
+    // or HTML, depending on the extension.
+    var md = '\n```json\n' + context + '\n```';
+    var html = '<pre><code class="json">\n' + context + '\n</code></pre>';
+    var result = switchOutput(ext, md, html);
+    return new Handlebars.SafeString(result);
+  });
+};
+
+function switchOutput(ext, markdown, html) {
+  var output;
+  switch (ext) {
+
+  // return markdown
+  case '.markdown':
+  case '.md':
+    output = markdown;
+    break;
+
+  // return HTML
+  case '.html':
+  case '.htm':
+    output = html;
+    break;
+
+  default:
+    output = html;
+  }
+  return output;
+}